by Owen Hall
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.
Early Science Fiction Novels: A Microfiche Collection (1985)
by Thomas D. Clareson
Omnibus
Lost Worlds: The Ultimate Anthology: 40 Classic Tales (2018)
by Nico Lorenzutti
Omnibus, 6834 pages
